narainarun

Member Since: Aug 13, 2010

English
narainarun commented on How to bypass centralized TACACS authentication & use local user DB for particular user alone in IOS/XR in WAN, Routing and Switching 6 months ago

Hi Rick, Thanks for your reply. I think option 1 comes close but provides access to other locally...

narainarun commented on LDP based CSC VPN - ASR9k/IOS-XR 4.3.4 in XR OS and Platforms 2 years ago

Got the answer from Cisco NSP mailing list. CSC VPN on MPLS LDP is available only from IOS-XR 5.1.1...

narainarun commented on MPLS Requirement in MPLS 4 years ago

MPLS in SP network leverages the existing network to offer various flavors of VPN services to...

narainarun commented on Traffic Engineering Database in MPLS 4 years ago

Hi,MPLS TED is stored in the same database of IGP (i m considering OSPF). You will have to look...

narainarun commented on MPLS TE Fast ReRoute in MPLS 4 years ago

Hi,Yes MPLS-TE with FRR gives faster convergence in range of 50ms (usually 50ms is standard...

narainarun commented on Question about LLQ under IOS XR in Metro 4 years ago

Hi Jin,I am not sure about the first question. But for your second question, hardware platforms in...

narainarun commented on ARP question in Getting Started with LANs 4 years ago

Hi Tim,The router will not respond to packets with destination IP 255.255.255.255. The actual...

narainarun commented on What happens when STP is disabled on one side in LAN, Switching and Routing 4 years ago

Hi Daud,When OFS (with STP disabled) floods multicast packets (STP BPDU's) back to the switch which...

narainarun commented on ARP question in Getting Started with LANs 4 years ago

Hi Tim,Actual ARP packet looks like this = Ethernet Frame then ARP Packet. ARP packet contains the...

narainarun commented on ARP question in Getting Started with LANs 4 years ago

Hi Tim,Your understanding is correct. When a router sends a ARP request for router, the destination...

narainarun commented on What happens when STP is disabled on one side in LAN, Switching and Routing 4 years ago

Hi Vivek,With STP disabled on OFS system, shall it not treat BPDU's as normal multicast and forward...

narainarun commented on Routing Protocols which layer theys are working in WAN, Routing and Switching 4 years ago

Hi,RIPv2 works over UDP 520. Layer2 Frame - IP Header (IP Protocol field=17) -- UDP (Dst port=520...

narainarun commented on Advanced BGP Route Reflector in WAN, Routing and Switching 4 years ago

Hi,Whatever Giussepe said is a valid option of having differenet RD (which eventually makes a...

narainarun commented on BPDUGuard fail? in LAN, Switching and Routing 4 years ago

Hi,With STP disabled in miniswitch, it ideally forwards BPDU's and it should not only process the...

narainarun commented on IP FLOW EGRESS on 7600 in WAN, Routing and Switching 4 years ago

Hi,It seems 7600 platform do not support Egress Netflow. TAC engineer said its not going to work...

narainarun commented on High traffic looping between two routers (ARP spoofing) in WAN, Routing and Switching 5 years ago

Hi Ashok,No the route 192.168.1.0/24 is not readvertised in OSPF either in Router 1 or Router 2....

narainarun commented on NG-MVPN support in Cisco in WAN, Routing and Switching 5 years ago

Hi Giuseppe,Thank you very much for reply. Lets wait to hear from Cisco.thanksArun

narainarun commented on Continously flapping last mile - Dampen the BGP neighbor in WAN, Routing and Switching 5 years ago

Hi Ricky,I am pushing the BSO for last mile test. Since there is a lag in response from them I...

narainarun commented on Continously flapping last mile - Dampen the BGP neighbor in WAN, Routing and Switching 5 years ago

Hi Ricky,We already tweaked BGP Hold time to 20 seconds (from default 180 sec) but still the issue...

narainarun commented on Block specific multicast traffic in C2960 in LAN, Switching and Routing 5 years ago

Hi Andrew,Apologies as I have not clearly given my requirement in the first update itself. In the...

narainarun commented on Block specific multicast traffic in C2960 in LAN, Switching and Routing 5 years ago

Hi Andrew,Thanks for the response. But I think "ip igmp filter" only filters the IGMP traffic flow...

narainarun commented on Difference in LLQ implementation between GSR/IOS-XR and other platforms in WAN, Routing and Switching 5 years ago

Hi All,I found the difference in LLQ implementation among different platforms.There are two types...

narainarun commented on Effect of this hidden command "ip multicast longest-match" in Other Network Infrastructure Subjects 5 years ago

Hi,By default, when the router searches its multicast table (irrespective of how it is populated...

narainarun commented on RIP Between CPE & PE in a MPLS VPN in Other Network Infrastructure Subjects 5 years ago

Hi,When you redistribute the MP-BGP routes into RIP on PE, you have an option of specifying the...

narainarun commented on VPLS over Carrier Supporting Carrier MPLS VPN in MPLS 5 years ago

Hi giuseppe,Thanks for your valuable suggestions. I didnt think about point to multipoint LSP and...

narainarun commented on VPLS Implementation - Need some inputs in MPLS 6 years ago

Hi,Thanks for your replies and it provided very useful information. I had no other choice but to...

narainarun commented on Anything like performance routing available for L2? in LAN, Switching and Routing 6 years ago

Hi Paul,Its a good thinking of having performance routing in L2 but I am not sure whether its there...

narainarun commented on VPLS Implementation - Need some inputs in MPLS 6 years ago

HiThanks for your response. L2 Protocol tunneling will happen on PE routers. But in my scenario the...

narainarun commented on Pass non-ip traffic over ethernet in LAN, Switching and Routing 6 years ago

Hi Eddie,I assume that you only have access to two 2801 routers at each side of the location and...

narainarun commented on Limiting bandwidth on the CE in Other Service Provider Subjects 6 years ago

Hi,You can define CAR or policing using MQC and apply it on the internet sub-interface in the CE...

narainarun commented on high cpu only when traffic is high in WAN, Routing and Switching 6 years ago

Hi Guiseppe,Thanks for your feedback.The router is running "c7200-adventerprisek9-mz.122-33.SRC6....

narainarun commented on 2801 throttles problem in WAN, Routing and Switching 6 years ago

Hi,In the "show interfaces" output do you see any other counters increasing along with throttles...

narainarun commented on Uplinkfast in LAN, Switching and Routing 6 years ago

Hi Jingyi,I will try my best to explain why uplink is not recommended (its not that cannot be used...

narainarun commented on How to do L2TPv3 redundancy in WAN, Routing and Switching 6 years ago

Hi,You can manipulate the port cost under the interfaces in switch with interface fax/xspanning-...

narainarun commented on How to do L2TPv3 redundancy in WAN, Routing and Switching 6 years ago

Hi,I think you can extend the same VLAN to your redundant routers and tweak with STP parameters to...

narainarun commented on understanding "show ip route profile" command output in LAN, Switching and Routing 6 years ago

Hi,Let me try to put in a different way of interpreting "show ip route profile" outputThe output...

narainarun commented on L3VPN with L2VPN as backup in WAN, Routing and Switching 6 years ago

Hi Rays,You can make use of OSPF Sham Link feature to achieve what you are looking for but before...

narainarun commented on understanding "show ip route profile" command output in LAN, Switching and Routing 6 years ago

Hi,The first colum under Change/Interval is the number of events that occured in every 5 sec...

narainarun commented on Multiple VLAN's over Point-to-Point T1 in WAN, Routing and Switching 6 years ago

Hi,I dont know whether this setup can work as I have not tested in my network but theoretically...

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